Bird’s nests come in a wide variety of shapes and sizes, and they’re built out of all sorts of things. Hummingbirds, for instance, create tiny cups just a couple centimeters wide; sociable weavers in ...

Oxytocin, the so-called 'love hormone,' plays a key role in the process of how a young zebra finch learns to sing by imitating its elders, suggests a new study which add to the understanding of the ...